57 lines
1.7 KiB
Smalltalk
57 lines
1.7 KiB
Smalltalk
"
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(C) 2010 by Holger Hans Peter Freyther
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All Rights Reserved
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as
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published by the Free Software Foundation, either version 3 of the
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License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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"
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Object subclass: IPADispatcher [
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| handlers |
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<category: 'OsmoNetwork-IPA'>
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<comment: 'I am a hub and one can register handlers for the streams'>
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IPADispatcher class >> new [
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<category: 'creation'>
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^self basicNew initialize
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]
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initialize [
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<category: 'private'>
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handlers := Dictionary new.
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]
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addHandler: aStream on: anObject with: aSelector [
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<category: 'handler'>
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handlers at: aStream put: [:msg | anObject perform: aSelector with: msg].
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]
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addHandler: aStream on: aBlock [
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<category: 'handler'>
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handlers at: aStream put: aBlock.
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]
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dispatch: aStream with: aData [
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| handler |
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<category: 'handler'>
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handler := handlers at: aStream ifAbsent: [
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self logError: ('IPADispatcher has no registered handler for <1p>'
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expandMacrosWith: aStream) area: #ipa.
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^ false
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].
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handler value: aData.
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]
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]
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